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Title
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Study of elementary excitations of superfluid in silica aerogels
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Author
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Abstract
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| We have studied the elementary excitations of superfluid He-4 in a silica aerogel at 1.8 K and various filling fractions. The results do not show any departure from bulk He-4 behaviour, suggesting that previously observed anomalies in heat capacity and superfluid fraction data could be the effect of a distribution of He I and He II liquids inside pores of different sizes. |
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Language
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English
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Source (journal)
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Zeitschrift für Physik : B : condensed matter. - Berlin
Zeitschrift für Physik: B: condensed matter and quanta. - Berlin
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Publication
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Berlin
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1994
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ISSN
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0722-3277
[print]
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DOI
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10.1007/BF01313361
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Volume/pages
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95
:4
(1994)
, p. 511-514
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ISI
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A1994PG39700014
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Full text (Publisher's DOI)
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